A barrier is of ideas, not of things.
Mark Caine

Age is no barrier. It's a limitation you put on your mind.
Jackie Joyner-Kersee

Arafat was a barrier to peace.
Charles Schumer

Human beliefs, like all other natural growths, elude the barrier of systems.
Miguel de Unamuno

I have never smuggled anything in my life. Why, then, do I feel an uneasy sense of guilt on approaching a customs barrier?
John Steinbeck

I'm in that comfortable niche where I'm not that famous and sometimes people do need to put a barrier between them and their followers. When you're real famous you need to do that but I'm not that famous so I don't need that kind of barrier.
Tony Levin

If you have a recital to do, you have to memorize the songs. I never use music when I do recitals. It produces an instant barrier, both for yourself and the audience.
Bryn Terfel

Independent media can go to where the silence is and break the sound barrier, doing what the corporate networks refuse to do.
Amy Goodman

It hurts real bad to have that protection barrier between parent and child.
Susan Smith

It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge.
Voltaire

Later, I realized that the mission had to end in a let-down because the real barrier wasn't in the sky but in our knowledge and experience of supersonic flight.
Chuck Yeager

Literature is my Utopia. Here I am not disenfranchised. No barrier of the senses shuts me out from the sweet, gracious discourses of my book friends. They talk to me without embarrassment or awkwardness.
Helen Keller

Mr. Lincoln's elevation shows that in America every station in life may be honorable; that there is no barrier against the humblest; but that merit, wherever it exists, has the opportunity to be known.
Matthew Simpson

My idea of an amusement park story is getting adventurers to go tour environmental disaster areas. After all, if the entire Great Barrier Reef gets killed, which seems like an extremely lively possibility, what are you going to do with all that rotting limestone?
Bruce Sterling

My parents shared not only an improbable love, they shared an abiding faith in the possibilities of this nation. They would give me an African name, Barack, or blessed, believing that in a tolerant America your name is no barrier to success.
Barack Obama

Natural erosion had reduced the critical barrier islands in the Gulf, the result of the destruction of some 300,000 acres of wetlands. This amounted to 30 miles of marshlands.
Mortimer Zuckerman

One day I discovered that one could get the barrier to internal rotation in ethane approximately right using this method. This was the beginning of my work on organic molecules.
Roald Hoffmann

Problems do not go away. They must be worked through or else they remain, forever a barrier to the growth and development of the spirit.
M. Scott Peck

Quit thinking that you must halt before the barrier of inner negativity. You need not. You can crash through... whatever we see a negative state, that is where we can destroy it.
Vernon Howard

The Berlin Wall wasn't the only barrier to fall after the collapse of the Soviet Union and the end of the Cold War. Traditional barriers to the flow of money, trade, people and ideas also fell.
Fareed Zakaria